CN111451906B

CN111451906B - Polishing head, polishing device and polishing equipment

Info

Publication number: CN111451906B
Application number: CN202010321371.5A
Authority: CN
Inventors: 张锋; 汤爱军; 张志新; 黄文超; 周亮
Original assignee: Shenzhenshi Yuzhan Precision Technology Co Ltd
Current assignee: Fulian Yuzhan Technology Shenzhen Co Ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2022-04-05
Anticipated expiration: 2040-04-22
Also published as: CN111451906A

Abstract

The invention provides a polishing head, which comprises a polishing head, a polishing head body and a connecting piece, wherein the polishing head comprises a polishing main body and the connecting piece which are detachably connected; adjust the connecting piece with the tightness of being connected of the main part of polishing, and then control the diameter of the main part of polishing is through the tightness of being connected of adjusting the connecting piece and the main part of polishing to the diameter of the main part of polishing is controlled, in order to realize the connecting piece and the main part of polishing's quick installation of dismantling, also can be fast convenient change the polishing area in the main part of polishing simultaneously, through the rotatory work piece of polishing of external drive device drive polishing head, the point of polishing that makes the polishing head has the same effect of polishing to the whole flat surface of polishing of work piece, with the efficiency and the yield of polishing that promote the polishing head. This application provides a grinding device and equipment of polishing simultaneously.

Description

Polishing head, polishing device and polishing equipment

Technical Field

The invention relates to the technical field of machining, in particular to a polishing head, a polishing device and polishing equipment.

Background

Traditional grinding device structure is complicated and the suitability is relatively poor, for example, most grinding device only is applicable to the cambered surface and polishes, and when grinding device polished the plane, the abrasive band center of polishing takes place the warpage easily, influences planar central zone's the effect of polishing, and then influences the efficiency of polishing and the yield of polishing of work piece, and traditional grinding device's the head of polishing, most integrated into one piece are difficult for the abrasive band of polishing on the quick replacement head of polishing.

Disclosure of Invention

In view of the above, it is necessary to provide a polishing head, a polishing device and a polishing apparatus to solve the above problems.

The invention provides a polishing head in a first aspect, which comprises a polishing main body and a connecting piece, wherein the polishing main body and the connecting piece are detachably connected;

and adjusting the tightness of the connection between the connecting piece and the polishing main body, and further controlling the diameter of the polishing main body.

Furthermore, a groove is arranged on the polishing main body, a convex part is arranged on the connecting piece,

the convex part is matched with the groove in a wedging mode, and therefore the connection tightness of the connecting piece and the polishing main body is adjusted.

Further, the sanding body includes a plurality of sub-sanding members,

the connecting surface of the sub-polishing piece is provided with a first concave-convex layer and a second concave-convex layer,

the first concave-convex layer of one sub polishing piece is connected with the second concave-convex layer of the other sub polishing piece in a clamping manner;

adjusting the connection tightness degree of the connecting piece and the polishing main body, and further controlling the distance between the first concave-convex layer of the sub polishing piece and the second concave-convex layer of the sub polishing piece.

Furthermore, one surface of the sub grinding piece, which is close to the connecting piece, is provided with a sub groove,

the polishing main body further comprises a locking member for locking the plurality of sub-polishing members engaged with each other,

the locking piece and the sub grooves of the sub grinding pieces form the groove.

Furthermore, the polishing head further comprises a screw, a screw hole matched with the screw is formed in the convex portion, one end of the screw is arranged on the locking piece, and the other end of the screw penetrates through the groove and is contained in the screw hole.

Furthermore, the polishing head further comprises a plurality of limiting parts, the sub-polishing part is provided with a limiting groove matched with the limiting parts, one end of each limiting part is arranged on the connecting part, and the other end of each limiting part is contained in the limiting groove.

Further, the sanding head also comprises an elastic ring,

the elastic ring is sleeved on the polishing main body.

Furthermore, the polishing head further comprises a polishing belt sleeved on the elastic ring, and a plurality of polishing layers are arranged on the outer surface of the polishing belt along the axial direction of the polishing main body.

The invention provides a polishing device, which comprises any polishing head, a transfer mechanism and a driving piece, wherein one end of the transfer mechanism is detachably connected with the connecting piece, and the other end of the transfer mechanism is connected with the driving piece.

Further, the transfer mechanism comprises a transfer piece and a locking piece, the transfer piece is connected with the driving piece, and the locking piece is used for detachably locking the connecting piece of the polishing head on the transfer piece.

Furthermore, the transfer piece is provided with an accommodating hole, and the locking piece is used for detachably locking one end, far away from the polishing main body, of the connecting piece in the accommodating hole.

Furthermore, a clamping groove is formed in the accommodating hole, and a clamping part matched with the clamping groove is arranged at one end, far away from the polishing main body, of the connecting piece.

Furthermore, the locking piece comprises a sliding piece and an embedded piece, the transfer piece is provided with an embedding hole matched with the embedded piece, and the connecting piece is provided with an embedding groove matched with the embedded piece;

the sliding piece is slidably sleeved on the transfer piece, and the embedded piece movably penetrates through the embedding hole;

the sliding piece is slid to push the embedded piece, so that the embedded piece is partially embedded into the embedded groove, and the connecting piece is locked in the accommodating hole.

Furthermore, the locking piece further comprises an elastic piece, the elastic piece is sleeved on the transfer piece, one end of the elastic piece abuts against the transfer piece, and the other end of the elastic piece abuts against the sliding piece.

Further, grinding device still includes the link, well commentaries on classics mechanism with the link is connected, the link with the driving piece is connected.

A third aspect of the present invention provides a polishing apparatus comprising a driving device and any of the polishing devices, wherein the driving device is configured to drive and move the polishing device.

The polishing head is connected with the polishing main body tightly through the adjusting connecting piece, the diameter of the polishing main body is controlled, the detachable quick installation of the connecting piece and the polishing main body is realized, meanwhile, the polishing belt on the polishing main body can be replaced quickly and conveniently, the polishing head is driven by the external driving device to rotate a polishing workpiece, the polishing point of the polishing head has the same polishing effect on the whole polishing plane of the workpiece, and the polishing efficiency and the yield of the polishing head are improved.

The polishing device is detachably connected with the connecting piece through the transfer mechanism so as to realize quick disassembly and assembly and replacement of the polishing head.

The polishing head of the polishing device is driven by the driving device to move axially along the polishing head, so that the polishing waste is discharged in the polishing process, and the polishing effect is improved.

Drawings

Fig. 1 is a schematic perspective view of a grinding apparatus in a first embodiment of the present invention.

Fig. 2 is a perspective view of a grinding device in the grinding apparatus shown in fig. 1.

Fig. 3 is an exploded perspective view of the polishing device shown in fig. 2.

Figure 4 is a schematic perspective exploded view of another angle of the grinding device shown in figure 2.

Figure 5 is a schematic cross-sectional view of the polishing device of figure 2 taken along v-v.

Description of the main elements

Grinding apparatus 100

Drive device 10

Polishing device 20

Polishing head 21

Polishing body 211

Notch 2111

Screw 2112

Sub grinding part 2113

The first relief layer 2114

A second relief layer 2115

Subslot 2116

Locking part 2117

Spacing groove 2118

Connecting piece 212

Convex part 2121

Screw hole 2122

Catch 2123

Fitting groove 2124

Stopper 213

Elastic ring 214

Sanding belt 215

Transfer mechanism 22

Transfer piece 221

Receiving hole 2211

Clamping groove 2212

Insertion hole 2213

Locking piece 222

Sliding member 2221

Insert 2222

Elastic member 2223

Connecting frame 223

Driving member 23

Positioning member 30

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly disposed on the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, fig. 1 is a schematic perspective view of a polishing apparatus 100 according to an embodiment of the present invention, in which the polishing apparatus 100 includes a driving device 10 and a polishing device 20 connected to each other, and the driving device 10 is used for driving and moving the polishing device 20.

In this embodiment, the driving device 10 is a mechanical arm, and it can be understood that the driving device 10 can be other moving devices, and can drive the polishing device 20 to perform the polishing operation and drive the polishing device 20 to move along the predetermined direction.

Referring to fig. 2, the polishing apparatus 20 includes a polishing head 21, a transfer mechanism 22 and a driving member 23, one end of the transfer mechanism 22 is detachably connected to the polishing head 21, the other end of the transfer mechanism 22 is connected to the driving member 23, and the driving apparatus 10 is connected to the transfer mechanism 22.

The driving member 23 is used for driving the polishing head 21 to rotate, the polishing head 21 also drives the driving member 23 to rotate through the driving device 10, the driving device 10 can also drive the transfer mechanism 22 to move, and then the transfer mechanism 22 drives the driving member 23 and the polishing head 21 to move along a preset direction, so as to polish the workpiece.

In this embodiment, the workpiece is an electronic device, such as a mobile phone, an electric toy, or the like.

Referring to fig. 3, the sanding head 21 includes a detachably coupled sanding body 211 and a coupling member 212.

The tightness of the connection member 212 to the polishing body 211 is adjusted to control the diameter of the polishing body 211. The connecting tightness of the connecting member 212 to the polishing body 211 is large, the diameter of the polishing body 211 is large, and vice versa.

By controlling the diameter of the sanding body 211, a quick change of the sanding belt on the sanding body 211 can be achieved to increase the speed of installation and removal. The polishing main body 211 of the polishing head 21 is driven by the driving member 23 to rotate to polish the workpiece, so that the polishing point of the polishing main body 211 has the same polishing effect on the whole polishing plane of the workpiece, thereby improving the polishing efficiency and yield of the polishing head 21.

Further, referring to fig. 3 and fig. 4, a groove 2111 is provided on the polishing main body 211, a protrusion 2121 is provided on the connecting member 212, and the protrusion 2121 is matched with the groove 2111 in a wedging manner, so that the tightness of connection between the connecting member 212 and the polishing main body 211 can be adjusted. The tightness of the polishing body 211 and the connecting member 212 is adjusted by adjusting the engaging degree of the protrusion 2121 and the groove 2111, and the diameter of the polishing body 211 itself is controlled, so that the polishing body 211 or the polishing belt on the polishing body 211 can be replaced.

In this embodiment, the convex portion 2121 has a circular truncated cone shape.

In an embodiment, the sanding body 211 comprises a plurality of sub-sanding members 2113, a plurality of joint faces of the sub-sanding members 2113 each being provided with a first relief layer 2114 and a second relief layer 2115.

The first relief layer 2114 of one sub-sanding element 2113 is snap-fit connected with the second relief layer 2115 of another sub-sanding element 2113.

Through the tight degree of being connected of adjusting connecting piece 212 and the main part 211 of polishing, the interval of the first unsmooth layer 2114 of the first unsmooth layer 2115 of the piece 2113 of steerable sub-polishing and another sub-polishing 2113, and then the diameter of the main part 211 of polishing that a plurality of sub-polishing 2113 enclose and establish and form is polished to be convenient for quick replacement polish the area or quick replacement main part 211 of polishing on the main part 211 of polishing.

In this embodiment, the sub grinding part 2113 includes an outer side wall and a top plate adjacent to the outer side wall, and a first concave-convex layer 2114 and a second concave-convex layer 2115 are provided on both sides of the outer side wall and the top plate. In this embodiment, the polishing main body 211 includes two sub-polishing members 2113, the two sub-polishing members 2113 are substantially semicircular, and the two sub-polishing members 2113 surround the polishing main body 211 through the first concave-convex layer 2114 or the second concave-convex layer 2115.

In other embodiments, the number and shape of the sub-sanding members 2113 may be adjusted according to actual needs, as long as a plurality of sub-sanding members 2113 can enclose a sanding body 211 through the first relief layer 2114 or the second relief layer 2115.

Further, a sub-groove 2116 is formed in a surface of the sub grinding member 2113 adjacent to the connecting member 212. The sanding body 211 further comprises locking elements 2117, the locking elements 2117 are used for locking the sub sanding elements 2113 which are mutually clamped, the screws 2112 are arranged on the locking elements 2117, and the locking elements 2117 and the sub grooves 2116 of the sub sanding elements 2113 form a groove 2111. The locking member 2117 and the sub-sanding member 2113 are detachably connected to the connecting member 212 by the engagement of the screw 2112 with the screw hole 2122.

It can be understood that the locking part 2117 can lock the sub grinding parts 2113 together through structures such as a buckle, a mortise and tenon joint and the like.

Further, the polishing head 21 further includes a screw 2112, a screw hole 2122 adapted to the screw is provided on the convex portion 2121, one end of the screw 2112 is provided on the locking member 2117, and the other end thereof passes through the groove 2111 and is accommodated in the screw hole 2122, and the screw 2112 is matched with the screw hole 2122, so that the polishing body 211 and the connecting member 212 are detachably connected.

In this embodiment, the locking member 2117 is plate-shaped, and internally supports the plurality of sub grinding members 2113, and simultaneously locks the plurality of sub grinding members 2113 and the connecting member 212 together by engaging with the screw 2112.

In an embodiment, the polishing head 21 further includes a plurality of limiting members 213, the sub-polishing member 2113 has a limiting groove 2118 matching with the limiting members 213, one end of one limiting member 213 is connected to the connecting member 212, and the other end is received in the limiting groove 2118. The plurality of corresponding sub grinding parts 2113 are limited by the plurality of limiting parts 213, so that the sub grinding parts 2113 are prevented from being thrown out under the action of centrifugal force in the driving and rotating process, and the use safety is ensured.

In one embodiment, the sanding head 21 further includes a resilient ring 214. The elastic ring 214 is sleeved on the polishing main body 211. The impact force of the polishing head 21 for buffering the rotating polishing process of the polishing head 21 on the polishing belt can cancel the buffer part of the polishing belt, and the consumable manufacturing cost of the polishing belt is saved. In this embodiment, the elastic ring 214 is an annular rubber ring.

In an embodiment, the polishing head 21 further includes a polishing belt 215 sleeved on the elastic ring 214, the outer surface of the polishing belt 215 is provided with a plurality of polishing layers (not shown) along the polishing main body 211, each polishing layer can be used for polishing individually or corresponding to a polishing point of a workpiece, each time the workpiece is polished in only one polishing layer of the polishing belt 215 until the polishing layer is worn, the workpiece or the polishing head 21 is adjusted to make the polishing point of the workpiece to be processed correspond to another polishing layer of the polishing belt 215, and the process is sequentially cycled until all polishing layers of the polishing belt 215 are worn, and a new polishing belt 215 is replaced; the setting of the multiple layer of polishing of the 215 surface of area of polishing still does benefit to the continuation ability and the operation mode that promote the operation of polishing, if: it can be polished to the work piece as required with modes such as pitch arc, curve, wave line, and each is polished the layer and can divide the angle ground to the work piece operation of polishing respectively, so can effectively promote the continuation ability and the quality of polishing of the operation of polishing to promote the availability factor of polishing area 215, and then save the consumption cost of polishing area 215. In this embodiment, sanding belt 215 is an endless sanding belt.

In one embodiment, the transfer mechanism 22 includes a transfer member 221 and a locking member 222 connected to each other, the locking member 222 is used to detachably lock the end of the connecting member 212 far from the sanding body 211 to the transfer member 221, and the connecting member 212 is detachably connected to the transfer member 221 through the locking member 222, so as to facilitate quick replacement of the sanding head 21.

The driving member 23 drives the transfer member 221 to rotate, and the transfer member 221 drives the connecting member 212 and the polishing body 211 to rotate.

Further, referring to fig. 5, the intermediate member 221 is provided with a receiving hole 2211, one end of the connecting member 212 away from the polishing main body 211 is received in the receiving hole 2211, and the locking member 222 is used for detachably locking one end of the connecting member 212 away from the polishing main body 211 on the receiving hole 2211.

Further, a clamping groove 2212 is arranged in the accommodating hole 2211, and a clamping part 2123 matched with the clamping groove 2212 is arranged at one end of the connecting piece 212 far away from the polishing main body 211. During the rotation of the transfer member 221, the connecting member 212 is driven to rotate by the engaging slot 2212 engaging with the engaging portion 2123.

In this embodiment, the retaining groove 2212 is an inner hexagonal groove, and it is understood that the retaining groove 2212 may have other shapes, such as an inner pentagonal groove, an embedded groove, a wedge-shaped groove, etc., as long as the retaining groove is matched with the retaining portion 2123 to drive the connecting member 212 to rotate.

Further, the locking member 222 includes a sliding member 2221 and an insertion member 2222, the intermediate member 221 further has an insertion hole 2213 adapted to the insertion member 2222, the insertion hole 2213 is disposed on a sidewall of the receiving hole 2211, and the connecting member 212 has an insertion groove 2124 adapted to the insertion member 2222;

the sliding member 2221 is slidably sleeved on the intermediate member 221, and the inserting member 2222 is movably inserted into the inserting hole 2213;

the sliding member 2221 is slid to push the insert 2222 such that the insert 2222 passes at least partially through the insertion hole 2213 and is inserted into the insertion groove 2124 to lock one end of the connecting member 212 in the receiving hole 2211.

In this embodiment, the insertion grooves 2124 are annular grooves, and the number of the insertion pieces 2222 is six, and the insertion pieces may be inserted into the annular grooves at intervals.

In this embodiment, the insert 2222 is a ball.

Further, the locking member 222 further includes an elastic member 2223, the elastic member 2223 is sleeved on the intermediate member 221, one end of the elastic member 2223 abuts against the intermediate member 221, the other end abuts against the sliding member 2221, the sliding member 2221 slides to compress the elastic member 2223, the sliding member 2221 is released, and the elastic member 2223 is released and pushes the sliding member 2221 to return to the initial position.

Further, the transfer mechanism 22 further includes a connecting frame 223, the transfer member 221 is rotatably connected to the connecting frame 223, the connecting frame 223 is connected to the driving member 23, and the connecting frame 223 is connected to the driving device 10. The connection frame 223 is used for stably connecting the transfer member 221 with the driving member 23, and is also used for connecting other processing equipment.

Further, the grinding apparatus 100 further includes a positioning member 30, and the positioning member 30 is used for positioning the workpiece.

Referring to fig. 1 to 5, in use, a workpiece is placed on the positioning member 30;

the driving device 10 drives the polishing device 20 to approach a polishing surface of a workpiece, the driving device 23 drives the transfer member 221 to rotate, the transfer member 221 drives the connecting member 212 to rotate, and the connecting member 212 drives the polishing main body 211 to rotate, so that the polishing belt 215 on the polishing main body 211 polishes the workpiece on the positioning member 30;

the process of polishing, driving piece 221 drives the main part 211 of polishing and rotates in the drive of driving piece 23, drive arrangement 10 drive grinding device 20 rotates around the work piece on setting element 30 simultaneously, so that the main part 211 of polishing polishes the face of polishing of work piece in succession, drive arrangement 10 still can drive grinding device 20's the main part 211 of polishing along the axial displacement of the main part 211 of polishing simultaneously, the migration range does not surpass the scope on the layer of polishing of one of them polishing area 215, so that the process of polishing is polished the discharge of waste material, and promote the effect of polishing, and make each layer of polishing on the area 215 of polishing all can make full use of, in order to promote the utilization ratio in persistence and polishing area.

The polishing head 21 is connected tightly with the polishing main body 211 through the adjusting connecting piece 212 to control the diameter of the polishing main body 211, so that the connecting piece 212 and the polishing main body 211 can be detached and quickly mounted, and meanwhile, a polishing belt on the polishing main body 211 can be quickly and conveniently replaced.

The polishing apparatus 20 is detachably connected to the connecting member 212 via the transfer mechanism 22, so as to quickly disassemble and assemble and replace the polishing head 21.

The polishing apparatus 100 drives the polishing head 21 of the polishing device 20 to move axially along the polishing head 21 through the driving device 10, so as to facilitate the discharge of polishing waste in the polishing process and improve the polishing effect.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural.

Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A polishing head comprises a polishing main body, a connecting piece detachably connected to the polishing main body, an elastic ring and a polishing belt sleeved on the elastic ring; the elastic ring is sleeved on the polishing main body, the polishing main body comprises a locking part and a plurality of sub polishing pieces, a first concave-convex layer and a second concave-convex layer are arranged on the connecting surface of each sub polishing piece, and the first concave-convex layer of one sub polishing piece is connected with the second concave-convex layer of the other sub polishing piece in a clamping manner; the locking piece is used for locking and fixing the sub polishing pieces which are clamped with each other, and the locking piece, the sub polishing pieces and the connecting piece form detachable connection; the polishing main body is provided with a groove, the connecting piece is provided with a convex part, the tightness of connection between the connecting piece and the polishing main body is adjusted through the wedging fit between the convex part and the groove, so that the distance between the first concave-convex layer of one sub polishing piece and the second concave-convex layer of the other sub polishing piece is controlled, and the diameter of the polishing main body is further controlled;

one side of the sub polishing piece, which is close to the connecting piece, is provided with a sub groove, and the locking piece and the sub grooves of the sub polishing pieces form the groove.

2. The sanding head of claim 1 further comprising a screw, the raised portion having a threaded hole adapted to the screw, one end of the screw being disposed on the locking member and the other end of the screw passing through the recess and being received in the threaded hole.

3. The polishing head according to claim 1, further comprising a plurality of limiting members, wherein the sub-polishing member is provided with a limiting groove adapted to the limiting members, one end of one of the limiting members is provided on the connecting member, and the other end thereof is received in the limiting groove.

4. A sanding head as defined in claim 1, the outer surface of the sanding belt being provided with a plurality of sanding layers in the axial direction of the sanding body.

5. A polishing apparatus comprising the polishing head according to claim 1, a relay mechanism and a driving member, wherein one end of the relay mechanism is detachably connected to the connecting member, and the other end of the relay mechanism is connected to the driving member.

6. The sanding device of claim 5, the intermediary mechanism including an intermediary member coupled to the drive member and a locking member for removably locking the coupling member of the sanding head to the intermediary member.

7. The polishing device as claimed in claim 6, wherein the intermediate member is provided with a receiving hole, and the locking member is configured to detachably lock an end of the connecting member away from the polishing body in the receiving hole.

8. The polishing apparatus as claimed in claim 7, wherein a retaining groove is formed in the receiving hole, and a retaining portion is formed at an end of the connecting member away from the polishing main body to fit in the retaining groove.

9. The polishing device as claimed in claim 7, wherein the locking member comprises a sliding member and an insertion member, the intermediate member is provided with an insertion hole adapted to the insertion member, and the connecting member is provided with an insertion groove adapted to the insertion member;

10. The polishing apparatus as set forth in claim 9, wherein the locking member further comprises an elastic member, the elastic member is sleeved on the intermediate transfer member, one end of the elastic member abuts against the intermediate transfer member, and the other end abuts against the sliding member.

11. The polishing apparatus as set forth in claim 5, further comprising a link, the pivoting mechanism being connected to the link, the link being connected to the drive member.

12. An abrading device comprising a drive means for driving and moving the abrading device as claimed in claim 5, and the abrading device.